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Related Experiment Videos

Optic nerve avulsion from a diving injury

A K Fard1, S L Merbs, D J Pieramici

  • 1Ocular Trauma Service, Wilmer Ophthalmological Institute, Johns Hopkins Hospital, Baltimore, MD, USA.

American Journal of Ophthalmology
|November 5, 1997
PubMed
Summary
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A diving accident caused optic nerve avulsion due to forceful globe rotation when a thumb penetrated the orbit. This case highlights a rare cause of sudden vision loss from traumatic optic neuropathy.

Area of Science:

  • Ophthalmology
  • Trauma Medicine
  • Neuroscience

Background:

  • Sudden vision loss can result from various ocular injuries.
  • Traumatic optic neuropathy is a severe consequence of orbital trauma.
  • Optic nerve avulsion, though rare, represents a complete disruption of the optic nerve.

Observation:

  • A 17-year-old male experienced sudden vision loss after diving.
  • His right thumb forcefully penetrated his right globe upon impact with water.
  • Ophthalmologic and imaging examinations were performed.

Findings:

  • The examination revealed a tear of the optic nerve head from the sclera in the right eye.
  • This indicates a traumatic optic nerve avulsion.

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Implications:

  • Forceful rotation of the globe can cause optic nerve avulsion.
  • Prompt diagnosis and management are crucial for patients with traumatic optic nerve injuries.
  • This case underscores the importance of protective eyewear in high-risk activities.